Clydach Brook aqueduct over former Vale of Neath Railway is a Grade II listed building in the Neath Port Talbot local planning authority area, Wales. First listed on 15 December 2003. Aqueduct.
Clydach Brook aqueduct over former Vale of Neath Railway
- WRENN ID
- broken-courtyard-tallow
- Grade
- II
- Local Planning Authority
- Neath Port Talbot
- Constituency
- Neath and Swansea East MP: Carolyn Harris (Lab)
- Country
- Wales
- Date first listed
- 15 December 2003
- Type
- Aqueduct
- Address
- Clydach Brook aqueduct over former Vale of Neath Railway, Resolven
- OS grid reference
- SN 830 027
- Coordinates
- 51.7109, -3.69417
- Source
- Cadw listing
Description
The Clydach Brook aqueduct, built in 1849, is a cast iron structure that spans the former Vale of Neath Railway. It features six main 'fish-bellied' beams, with the outer two being I-section and the inner four having an inverted T-section with a bulbed compression flange. Floor-plates are supported by each pair of beams. The sides of the aqueduct are panelled and bear the inscription 'George Hennet Bridgewater Ironworks A.D. 1849' on the northeast side. The aqueduct is supported by rusticated Pennant sandstone abutments, each adorned with three blind arches that are recessed into the face. Additionally, the downstream bed of the aqueduct includes a ramp made of squared Pennant sandstone blocks.
Local climate
Clydach Brook aqueduct over former Vale of Neath Railway sits in one of the wettest parts of the UK, with an average of 1,340 mm of rain a year. This makes it wetter than 96% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 95% of listed buildings.
It experiences an average of 33 freeze-thaw cycles a year, fewer than 53% of listed buildings. Of these, 15 follow at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.3°C per decade since 1991.
Averages for 1991–2020; temperature trend 1991–2025. Figures describe the wider area (a grid cell of roughly 10 km), not the individual site. Contains modified Copernicus Climate Change Service information 2026.
More on this building
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- No EPC on record for this property
- Sale history — 5 transactions since 2004
- No related consent applications matched
- Detailed attributes — period, style, materials, features
- Flood risk assessment
- Radon risk assessment
- Weather exposure and heating demand — rain and frost month by month and year by year, wind direction, solar and humidity
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